Seagate ST36530N/W/WC, ST39140N/W/WC/LW/LC, ST34520N/W/WC/LW/LC manual Drive characteristics, Rpm

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Medalist Pro Installation Guide, Rev. B

17

Table 1. Drive characteristics

 

Interface

Ultra SCSI [1]

 

Capacity

Formatted

User LBAs

ST39140

9.1 Gbyte

17,783,240

ST36530

6.5 Gbyte

12,715,920

ST34520

4.55 Gbyte

8,888,924

Recording

 

 

Cylinders (user)

9,006

 

Read/write data heads

 

 

ST39140

8

 

ST36530

6

 

ST34520

4

 

Access time [2]

 

 

Average read

9.5 msec

 

Average write

10.5 msec

 

Disk rotation

 

 

RPM

7,200 r/min

 

Average latency

4.17 msec

 

Internal transfer rate (variable with zone)

 

ST39140

110–193.88 Mbits/sec

ST36530

110–193.88 Mbits/sec

ST34520

110–193.88 Mbits/sec

Maximum synchronous SCSI transfer rate

 

N model

20 Mbytes/sec

 

W/WC models

40 Mbytes/sec

 

LW/LC models

80 Mbytes/sec

 

Cache (1 or 3 segments)

 

 

N/W/WC models

380 Kbytes

 

LW/LC models

860.5 Kbytes

 

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Contents ST39140N/W/WC/LW/LC Contents Preface Handling precautionsElectrostatic discharge protection Important safety information and precautions Medalist Pro Installation Guide, Rev. B Wichtige Sicherheitshinweise Medalist Pro Installation Guide, Rev. B Page Electromagnetic susceptibility Regulatory agency complianceElectromagnetic compliance Australian C-Tick Electromagnetic compliance for the European UnionSeagate Technology support services Presales Support Customer Service CSO European Support Services Africa/Middle East Support Services SeaFAX General description RPM Drive characteristicsDCX Models ST39140 ST34520 DC power requirements Amps for LW/LCMedalist Pro Installation Guide, Rev. B Dimensions of the drive Drive models General informationScsi ID jumpers Drive termination Circuits and data path widths Terminator powerInterconnect characteristics for single-ended I/O circuits Interconnect characteristics for LVD I/O circuits Fifty pin I/O connection to drive Multiple drive connection to host adapter Multiple-drive connection to host adapter Medalist Pro Installation Guide, Rev. B Providing adequate cooling Kühlung des Systems Suggested air flow Abbildung 4. Empfohlener Luftstromverlauf Installation des Laufwerkes und Anschluß der Kabel Mounting the drive and connecting cablesMedalist Pro Installation Guide, Rev. B DC power connector Abbildung 5. Gleichstromanschluß Hinweis Page Mounting configuration dimensions Quick reference desktop system notes Formatting the driveSetting the Scsi ID on model N drives Setting the Scsi ID jumpersTerminating the drive Terminating the driveSetting terminator power jumpers Additional jumper options Other applicable jumper optionsLW drives Host Alternate Enable Scsi terminator Disable Scsi terminator Model only Terminator power Additional jumper options for W/LW drives Additional jumper option for LW drives WC/LC drives Jumper options Applicable jumper optionsLC drives Additional jumper options for LC drives Page